2002
DOI: 10.1590/s0100-40422002000700010
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Análise de glicocorticosteróides por CG-EM: uma nova abordagem de derivatização para o controle de dopagem no esporte

Abstract: Recebido em 30/10/01; aceito em 28/3/02 ANALISYS OF GLUCOCORTICOSTEROIDS BY GC-MS: A NEW APPROACH OF DERIVATIZATION STEP FOR DOPING CONTROL IN SPORT. Glucocorticosteroids (CT) show a powerful anti-inflammatory effect. In view of this, they are extensively used in sports medicine, but their misuse (systemic administration) can lead to severe injuries on athletes and has been restricted by the IOC in recent years. For GC-MS analysis, a derivatization step is necessary in order to convert them to a stable form, t… Show more

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Cited by 8 publications
(5 citation statements)
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“…It is natural for every athlete to try to get the best possible performance in their sport in order to win victories and break records. To this do so, many adhering to illicit drugs such as diuretics, anabolic and various stimulants (PEREIRA et al, 2002).…”
Section: Resultsmentioning
confidence: 99%
“…It is natural for every athlete to try to get the best possible performance in their sport in order to win victories and break records. To this do so, many adhering to illicit drugs such as diuretics, anabolic and various stimulants (PEREIRA et al, 2002).…”
Section: Resultsmentioning
confidence: 99%
“…Silylating reagents react only with polar functional groups that have a replaceable hydrogen atom [3] , which is the reason for a two-step derivatization. In the first reaction, methoxyamine was used to protect the carbonyl functional groups by forming methoxyoximes [4] .…”
Section: Resultsmentioning
confidence: 99%
“…For GC-MS analysis, the capsule and urine residues were dried in a vacuum oven at room temperature for 30 min and then derivatized with 100 μL of MSTFA/ NH 4 I/2-mercaptoethanol (1000:2:6, v:m:v) by heating for 20 min at 60 °C. 22 For UPLC-MS/MS analysis, the urine residues were resuspended in 1 mL of a mixture of H 2 O:…”
Section: Preparation Of All Capsule and Urine Residues For Instrumentmentioning
confidence: 99%